Firestone EMDG198 - Manual (Page 62)

Dynamic Characteristics at 10.5 in. Design Height
(Required for Airmount isolator design only)
Volume @ 100 PSIG = 935 in 3
Gage Spring
Pressure Load Rate
(PSIG) (lbs.) (lbs./ in.)
40 1,930 684 112 1.86
60 3,030 999 108 1.80
80 4,130 1,319 106 1.77
100 5,310 1,630 104 1.73
Natural
Frequency
CPM HZ
MAX. HT. MIN. HT.
12
11
10
9
8
7
6
5
4
3
2
1
80 Psig
100 Psig
20 Psig
13 12 11 10
Bumper Contact
(4.2)
120 Psig
40 Psig
60 Psig
Do not use Airstroke in
shaded area without
consulting Firestone
12
11
10
9
8
7
6
5
4
3
2
1
9 8 7 6 5 4 3
Volume
100 Psig
RECOMMENDED
AIRMOUNT
DESIGN HEIGHT
10.5 INCHES
Static Data
1889
HEIGHT IN.
22-1.5
62
HEIGHT
OPTIONAL
BUMPER
3/8-16 BLIND NUTS
(5/8 DEEP)
13.7 MAX O.D.
AT 100 PSIG
6.20
1/4 OR 3/4 NPT
AIR INLET
15-20 FT. LBS.
TORQUE
2.88
9.00 DIA.
See page 12 for instructions on how to use chart.
V
OLUME (WITHOUT B
UMPER) CU IN. x 100
FORCE LBS x 1000
Force Table (Use for Airstroke ® actuator design)
Volume Pounds Force
Assembly @ 100
Height PSIG @20 @40 @60 @80 @100
(in.) (in 3 ) PSIG PSIG PSIG PSIG PSIG
10.0 905 1,040 2,140 3,340 4,550 5,830
9.0 838 1,220 2,520 3,880 5,250 6,700
8.0 763 1,370 2,850 4,360 5,850 7,450
7.0 681 1,510 3,150 4,810 6,430 8,170
6.0 591 1,650 3,400 5,210 6,990 8,860
5.0 496 1,760 3,590 5,520 7,420 9,380
4.0 396 1,840 3,730 5,730 7,680 9,700
Description Assembly Order No.
Blind nuts, 1/4 NPT WO1-358-7444
Blind nuts, 1/4 NPT,
rubber bumper
WO1-358-7473
Blind nuts, 3/4 NPT WO1-358-7442
Blind nuts, 1/4 NPT(centered) WO1-358-7443
Rubber bellows only WO1-358-0259
Assembly weight ...................................................... 12.9 lbs.
Force to collapse to minimum height (@ 0 PSIG)....... 26 lbs.
Style
22-1.5
Two
Ply
Bellows
NOTE: A bead plate part is shown. This part is also
available with bead rings. See pages 8-10 for explanation.
NOTE: The bellows extends beyond the bead plates at
minimum height.